SO.sub.2 -containing fiber-reactive azo dyestuffs

US5493010A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Karl-Josef Herd · Odenthal, DE
• Konrad Bootz · Wetter, DE
• Eckhard Bock · Kempten (Allgäu), DE
• Manfred Hoppe · Kürten, DE
• Klaus Kunde · Dessau, DE
• Wolfram Reddig · Bensberg, DE

Key dates

• Filing date: Mar 17, 1994
• Grant date: Feb 20, 1996
• Expiry date: Mar 17, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0041
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The dyestuffs of the formula ##STR1## in which D is the radical of a diazo component, PA1 SO.sub.2 X is the radical of a fibre-reactive group, and the remaining substituents have the meaning given in the description are suitable for dyeing and printing hydroxyl- and amido-containing materials.